Home / 42,055.70-63,084.75-10,890.95

Finding the Fourth Proportional to 42,055.70, 63,084.75 and 10,890.95

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Solution

The fourth proportional to 42,055.70, 63,084.75 and 10,890.95 is: 16,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,055.70 : 63,084.75 = 10,890.95 : x
  2. Step 2: Convert to fraction form
    42,055.70/63,084.75 = 10,890.95/x
  3. Step 3: Cross multiply
    42,055.70x = 63,084.75 × 10,890.95
  4. Step 4: Simplify right side
    42,055.70x = 687,052,542.59
  5. Step 5: Solve for x
    x = 687,052,542.59/42,055.70
  6. Step 6: Final answer
    x = 16,336.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.